Quote: Jake the Peg "Surely if the ref is sure he either gives or disallows the try. The VR is for when the ref isn't sure so the he shouldn't be making a decision either way'"
I think the majority of the time he'll be 90%, but just want to clear up for certain an infringement like obstruction, but it's ones like Hull's try, or where a winger borders the touchline where you can't expect them to decide.